Alesis Harmony 61 Pro 61-Key Portable Arranger Keyboard

61-key Keyboard with 580 Premium Sounds, 180 Patterns, 177 Demo Songs, Sampler, Built-in Microphone, X/Y Touch Pad, Pitch Bend Wheel, Onboard FX, USB-MIDI Connectivity, SD Card Slot, Built-in Speakers, Stereo 1/4" Output, Stereo 1/8" Input, and Optional Battery Power